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Finding the Fourth Proportional to 48,606, 72,744.39 and 29,897.91

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Solution

The fourth proportional to 48,606, 72,744.39 and 29,897.91 is: 44,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,606 : 72,744.39 = 29,897.91 : x
  2. Step 2: Convert to fraction form
    48,606/72,744.39 = 29,897.91/x
  3. Step 3: Cross multiply
    48,606x = 72,744.39 × 29,897.91
  4. Step 4: Simplify right side
    48,606x = 2,174,905,225.22
  5. Step 5: Solve for x
    x = 2,174,905,225.22/48,606
  6. Step 6: Final answer
    x = 44,745.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.